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Always ensure that the flow control head has been correctly set and not placed between two
settings. Th flow control head placed between settings will not deliver the correct flow of
medical gas.
In case any visual or acoustic warnings are indicated, follow the instructions in the table - see
chapt. 5.1.2.
Common variants of the flow control head can have an "end stop" in between the maximum
flow position and the zero position. Do not try to apply excessive force on the flow control
head when it stops in the maximum flow position (during clockwise rotation) or in the zero
position (anti-clockwise rotation).
EN
The medical gas flow rate must be prescribed by a doctor.
Check regularly that the E-GAUGE is in operation and indicates the expected parameters and
data.
6.2.2.2. Using the combination valve´s pressure outlet
•
Ensure the flow control head is in position "0" (if included).
•
Slowly open the shut-off valve hand wheel (anticlockwise) until fully open - after approx. 1 turn
(see indication in the picture in chapter 5).
•
Connect accessories to the pressure outlet if not already connected.
•
In this mode, the E-GAUGE indicates only the immediate cylinder´s gas pressure parameters.
Before connecting any accessory to the pressure outlet make sure that the patient is not
connected and the accessory outlet is secured.
Regularly check that the E-GAUGE is in operation and indicates the expected parameters and
data.
In case any visual or acoustic warnings are indicated, follow the instructions in the table - see
chpt. 5.1.2.
If the pressure outlet is to be connected to a medical device that requires a high gas flow (for
instance a pulmonary ventilator that requires a gas flow of 100 l/min at the minimum pressure
2.8 bar), compare the required flow of connecting the medical device with the pressure and
flow characteristics of the combination valve stated in appendix No. 1. To assure sufficient
performance (pressure and flow characteristics of the combination valve ) the medical device
should not be used if the pressure indicator enters the red zone.
Sudden opening could result in the danger of fire or explosion arising from oxygen pressure
shocks. insufficiently opening the shut-off valve could reduce the actual flow delivered.
If a pressure outlet as well as a flow outlet are part of the combination valve do not use them
simultaneously, especially if the pressure in the cylinder is below 50 bar, as it could adversely
affect the outlet parameters of the combination valve.
6.2.3. AFTER USE
•
Close the shut-off valve (clockwise). Do not use excessive torque(max. closing torque is 5 Nm).
•
Vent pressure from the connected devices.
•
Disconnect all connected devices from user outlets.
•
Set the flow control head on "0" (if included).
7. ACCESSORIES
Accessories connectable to flow outlet:
•
hose connected with mask, cannula or humidifier.
Accessories connectable to pressure outlet:
•
low pressure hose (working pressure >10 bar), flowmeters, Venturi suction ejectors, lung
ventilators.
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